320524851912 has 128 divisors (see below), whose sum is σ = 871156838400. Its totient is φ = 97901395200.

The previous prime is 320524851887. The next prime is 320524851917. The reversal of 320524851912 is 219158425023.

It is not an unprimeable number, because it can be changed into a prime (320524851917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33172362 + ... + 33182022.

It is an arithmetic number, because the mean of its divisors is an integer number (6805912800).

Almost surely, 2^320524851912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320524851912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435578419200).

320524851912 is an abundant number, since it is smaller than the sum of its proper divisors (550631986488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320524851912 is a wasteful number, since it uses less digits than its factorization.

320524851912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12067 (or 12063 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 320524851912 in words is "three hundred twenty billion, five hundred twenty-four million, eight hundred fifty-one thousand, nine hundred twelve".